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Solar Expansion Tanks
Residential Solar Water Tanks

A solar tank is a critical part of your solar hot water system. The type and size of solar tank you need is often a poorly understood part of a system, mainly because there are so many variables to it. We use the SolarStor Hot Water Tanks manufacture in the USA. Our Solar Storage tank are the only UL certified water tank that has both a top an bottom internal heat exchanger as well as a middle 4.5 Kw back up heating element.

This allows a many more options for solar hot water. With this arrangement you can have both pre heat solar tank or a supplemental. The supplemental tank allow you to use only one tank and during periods of poor solar, the electric element supplements the solar energy. This also means that when investing in solar hot water you no longer need to purchase two tanks, making the payback that much better.

SupplementalPre-Heat
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Zilmet solar expansion tanks ZSP-24
Zilmet Solar Expansion Tank ZSP-24
Our Price: 173.00 Exc GST/HST

Zilmet Solar Expansion Vessel with High Temp EPDM rubber bladders. These are designed specifically for vacuum tube solar water heating applications and can with stand the higher operating temperatures.


ZSP24 - 6.6 gallon Capacity
Zilmet solar expansion tanks ZSP-35
Zilmet Solar Expansion Tank ZSP-35
Our Price: 261.00 Exc GST/HST

Zilmet Solar Expansion Vessel with High Temp EPDM rubber bladders. These are designed specifically for vacuum tube solar water heating applications and can with stand the higher operating temperatures.


ZSP-35 - 9.2 gallon Capacity
Zilmet solar expansion tanks ZSP-50
Zilmet Solar Expansion Tank ZSP-50
Our Price: 317.00 Exc GST/HST

Zilmet Solar Expansion Vessel with High Temp EPDM rubber bladders. These are designed specifically for vacuum tube solar water heating applications and can with stand the higher operating temperatures.


ZSP-50 - 21.1 gallon Capacity
Zilmet solar expansion tanks ZSP-80
Zilmet Solar Expansion Tank ZSP-80
Our Price: 404.00 Exc GST/HST

Zilmet Solar Expansion Vessel with High Temp EPDM rubber bladders. These are designed specifically for vacuum tube solar water heating applications and can with stand the higher operating temperatures.


ZSP-80- 27.7 gallon Capacity
Residential Solar Water Tank - 50 gallon internal heat excahnger
Our Price: 1,919.00 Exc GST/HST

SolarStor hot water storage tank for solar water heating application.

50 gallon capacity with internal heat exchanger and 4.5 Kw back up heating element

- UL and CSA certified -
Residential Solar Water Tank - 80 gallon dual internal heat excahnger
Our Price: 3,028.00 Exc GST/HST

SolarStor hot water storage tank for solar water heating application.

80 gallon capacity with dual internal heat exchanger and 4.5 Kw back up heating element

- UL and CSA certified -
Residential Solar Water Tank - 119 gallon internal heat excahnger
Our Price: 3,354.00 Exc GST/HST

SolarStor hot water storage tank for solar water heating application.

80 gallon capacity with dual internal heat exchanger and 4.5 Kw back up heating element

- UL and CSA certified -
   
 
Commercial Solar Water Tanks - Closed Loop

A closed loop commercial solar water heating system can be used to directly heat the domestic hot water. The standards require that the materials used in a closed loop heating system meet ANSE plumbing standards. Because large pressurized tanks with these standards are costly, we deign more affordable system using multiple smaller water heating tanks run in parallel. In this way we can offer solar water heating system with larger storage capacities that perform the same or better than a single large tank system. It also makes transporting and installation easier as the smaller tanks (119 gallons) are more manageable. These tank designs can use internal or external heat exchangers to transfer the solar energy to the potable water.



Commercial Solar Water Tanks - Open Loop

A commercial solar water tank is similar to a residential solar water tank except that it much larger. We offer Cocoon solar tanks that are available in 8 different sizes. The large tanks are made of 6-8" thick insulation and tied together with aluminum braces and steel studs. The advantage of this type of water storage tank is that it is modular and can be easily shipped anywhere in the world at a fraction of the cost. Its supper insulation value makes it ideal for solar thermal storage where tank heat loss can rob a systems performance. An open loop tank is not pressurized and and as such is not connected to the main water supply. Instead heat exchangers are used to more the stored heat from the storage tank to the heating source.





Available sizes

165
gallons

68″ tall
42″ diameter
324
gallons

68″ tall
54″ diameter
535
gallons
(6″ walls)
68″ tall
66″ diameter
535
gallons
(8″ walls)
68″ tall
70″ diameter
755
gallons

68″ tall
80″ diameter
1,243
gallons

100″ tall
82″ diameter
1,295
gallons

68″ tall
100″ diameter
2,014
gallons

98″ tall
100″ diameter